Categories for 2011's ceremony include best web personality, best video remixes/mashups, best viral marketing, best online community, best mobile games for handheld devices, best business blog, best viral video, and many more.

Two winners will be selected from each category on May 3, and a live awards ceremony will be streamed via YouTube on June 13.

Check out the slideshow (below) to see the nominees for the best viral videos, and select your favorites. WebbyAwards.com is also accepting ballots from the public until April 28, so be sure to visit and vote for the best from every category.